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Thermo King CRR-40 User Manual

Thermo King CRR-40
200 pages
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CRR-20 & CRR-40
with
µµ
P-D
TK50094-4-MM (Rev. 5, 9/99)
Maintenance Manual
Copyright ©1999, Thermo King Corporation, Minneapolis, MN, U.S.A.
Printed in U.S.A.

Table of Contents

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Thermo King CRR-40 Specifications

General IconGeneral
BrandThermo King
ModelCRR-40
CategoryHeat Pump
LanguageEnglish

Summary

Safety Precautions

General Safety Practices

Covers essential safety measures including wearing protective gear and handling the unit safely.

Refrigerant Handling and Safety

Details precautions for handling refrigerants and first aid for exposure.

Electrical Safety Precautions

Addresses high and low voltage hazards and necessary safety procedures.

Servicing Precautions for Microprocessor Units

Outlines safety measures for servicing units with microprocessor controllers and welding procedures.

Specifications

Refrigeration System Parameters

Details compressor models, refrigerant charge, oil type, and component pressure switch settings.

µP-D Controller Specifications

Outlines the specifications for the Thermoguard® µP-D microprocessor controller, including defrost and mode settings.

Unit Description

Operating Instructions

Unit Controls and µP-D Interface

Details the operation of unit controls, µP-D controller keys, and other unit controls.

Pretrip and Operational Procedures

Guides through pretrip inspection, starting the unit, loading, and post-load procedures.

µP-D Controller Operations

Operating Theory and Modes

Details the controller's operation theory, including chill/frozen loads, phase selection, and operating modes.

Alarm Codes and Troubleshooting

Lists alarm codes, their descriptions, corrective actions, and troubleshooting procedures.

Electrical Maintenance Procedures

Refrigeration Maintenance and Service Operations

System Evacuation and Charging

Details procedures for low side pump down, refrigerant charge, and system evacuation.

Component Replacement Procedures

Provides instructions for replacing various refrigeration system components.

Diagnosis and Troubleshooting

Mechanical Diagnosis Guide

Lists possible causes and remedies for mechanical issues like compressor failure or fan motor problems.

Refrigeration Diagnosis Guide

Identifies causes and remedies for refrigeration issues like load temperature problems or head pressure issues.

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